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Derivative Financial Instruments and Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2011
Derivative Financial Instruments and Fair Value Measurements [Abstract]  
Fair value measurements of derivative assets
The fair value measurements of those items recorded in our Consolidated Balance Sheets were as follows:
 
      
Fair Value Measurements Using
 
   
June 30, 2011
  
Quoted Prices in Active Markets for Identical Assets
(Level 1)
  
Significant Other Observable Inputs
(Level 2)
  
Significant Unobservable Inputs
(Level 3)
 
Assets
            
Available-for-sale security
 $0.4  $0.4  $-  $- 
Deferred compensation plan assets
  46.3   46.3   -   - 
   $46.7  $46.7  $-  $- 

      
Fair Value Measurements Using
 
   
December 31, 2010
  
Quoted Prices in Active Markets for Identical Assets
(Level 1)
  
Significant Other Observable Inputs
(Level 2)
  
Significant Unobservable Inputs
(Level 3)
 
Assets
            
Available-for-sale security
 $0.4  $0.4  $-  $- 
Foreign currency forward contracts
  0.1   -   0.1   - 
Deferred compensation plan assets
  40.3   40.3   -   - 
   $40.8  $40.7  $0.1  $-